For the first time since Nielsen SoundScan began keeping track in 1991, album sales failed to reach the four-million-sold mark this week, totaling just 3.97 million.
Digital album sales are down 11.7 percent for the year, and à la carte downloads are down another 12.8 percent according to Billboard. Illegal downloading has no doubt eroded much of those digital sales, but it’s the emergence of legal streaming sites like Spotify and Pandora that has also chipped away at overall sales.
Read more in Rolling Stone